CN216633437U

CN216633437U - Die casting positioning device

Info

Publication number: CN216633437U
Application number: CN202122649544.9U
Authority: CN
Inventors: 章永涛; 叶良营; 卢寿超; 魏阳明
Original assignee: Fujian Huayin Aluminium Co ltd
Current assignee: Fujian Huayin Aluminium Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-05-31
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a die casting positioning device, which comprises a limiting table; two ends of the top of the limiting table in the X-axis direction are respectively provided with a limiting column matched with the through hole of the die casting, and two sides of the limiting table in the X-axis direction are respectively provided with a groove matched with the die casting; the limiting table is provided with a yielding groove used for yielding for the machining mechanism, and the bottom of the yielding groove is provided with a positioning hole used for positioning the machining mechanism. According to the die casting positioning device, the die casting is positioned through the limiting columns, and the positioning efficiency of the die casting is improved.

Description

Die casting positioner

Technical Field

The utility model relates to the technical field of die casting machining, in particular to a die casting positioning device.

Background

At present, in the technical field of die casting processing, after part of die castings are formed in a die casting mode, subsequent polishing or punching is needed. The existing die casting is generally fixed in a mode of clamping by matching manual positioning with a clamping mechanism before machining. According to the die casting fixing method, manual positioning is adopted, so that the die casting is easy to shift before being clamped due to mistaken collision in the positioning process, the position of the die casting needs to be manually corrected again, the positioning efficiency is low, the positioning precision is low, and the quality of the processed die casting is poor.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the die casting positioning device is provided, and positioning efficiency is improved.

In order to solve the technical problems, the utility model adopts the technical scheme that:

a die casting positioning device comprises a limiting table;

two ends of the top of the limiting table in the X-axis direction are respectively provided with a limiting column matched with the through hole of the die casting, and two sides of the limiting table in the X-axis direction are respectively provided with a groove matched with the die casting;

the limiting table is provided with a yielding groove used for yielding for the machining mechanism, and the bottom of the yielding groove is provided with a positioning hole used for positioning the machining mechanism.

Furthermore, the limiting columns are four and are symmetrically arranged.

Further, the groove is V-shaped in a top view angle.

Furthermore, the limiting columns at two ends of the limiting table in the X-axis direction are arranged diagonally.

Further, the device also comprises a clamping mechanism;

the movable end of the clamping mechanism is positioned above the limiting table;

when the die casting is placed on the limiting table, the movable end of the clamping mechanism can be abutted against the die casting.

Further, the clamping mechanism comprises a clamping cylinder and a pressing plate;

the fixed end of the clamping cylinder is located below the limiting table, and the movable end of the clamping cylinder penetrates through the limiting table and is detachably connected with the pressing plate, so that a die casting can be clamped between the pressing plate and the limiting table under the driving of the clamping cylinder.

Further, the height of the limiting column is larger than or equal to two times of the thickness of the die casting.

The utility model has the beneficial effects that: compared with the existing positioning mode, the die casting positioning device is higher in matching degree with die castings, higher in positioning efficiency, and higher in product yield, and the positioning holes for positioning the machining mechanism are arranged in the abdicating grooves of the limiting tables, so that the machining mechanism can accurately and stably machine the die castings at the designated positions.

Drawings

FIG. 1 is a schematic structural diagram of a die casting clamping and positioning device in the utility model;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a top view of the die casting clamping and positioning device of the present invention;

FIG. 4 is a schematic reverse side view of a die cast part according to the utility model;

FIG. 5 is a schematic front view of a die cast part according to the present invention;

FIG. 6 is a schematic view of the structure of the pressing plate of the present invention.

Description of reference numerals:

1. die casting; 11. a through hole; 12. a blind hole;

2. a limiting table; 21. a limiting post; 22. positioning holes; 221. a circular hole; 222. a threaded hole; 23. a groove;

3. a clamping mechanism; 31. a lifting cylinder; 311. a piston rod; 32. pressing a plate; 33. and a limiting member.

Detailed Description

In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1-6, a die casting positioning device includes a limiting table;

The working principle of the utility model is as follows:

the die casting is positioned and limited through the limiting protrusions and the limiting grooves, and the die casting is pressed by combining the clamping mechanism, so that the die casting is quickly positioned, and the positioning efficiency and the machining efficiency are improved; through seting up the locating hole at spacing bench, processing agency processes the die casting through the locating hole, further improves machining efficiency.

From the above description, the beneficial effects of the present invention are: compared with the existing positioning mode, the die casting positioning device is higher in matching degree with the die casting and higher in positioning efficiency, and the abdicating groove of the limiting table is internally provided with the positioning hole for positioning the machining mechanism, so that the machining mechanism can accurately and stably machine the die casting at the specified position, and the product yield is improved.

Furthermore, the limiting columns are four and are symmetrically arranged.

According to the description, the four limiting columns are arranged, so that synchronous limiting in the X-axis direction and the Y-axis direction of the die casting is achieved, and the stability in positioning is improved.

Further, the groove is V-shaped in a top view angle.

From the above description, the groove is in a V shape in a top view, and is used for improving the stability of the die casting after the convex column of the die casting is embedded into the groove.

According to the die casting positioning device, the limiting columns are arranged diagonally, stability in die casting positioning can be improved, and positioning of the die casting can be achieved only by arranging the two limiting columns.

Further, the device also comprises a clamping mechanism; the movable end of the clamping mechanism is positioned above the limiting table; when the die casting is placed on the limiting table, the movable end of the clamping mechanism can be abutted against the die casting.

Further, the clamping mechanism comprises a clamping cylinder and a pressing plate; the fixed end of the clamping cylinder is located below the limiting table, and the movable end of the clamping cylinder penetrates through the limiting table and is detachably connected with the pressing plate, so that a die casting can be clamped between the pressing plate and the limiting table under the driving of the clamping cylinder.

As can be seen from the above description, the pressing plate and the lifting cylinder are arranged for controlling the lifting of the pressing plate through the lifting cylinder, and then the die casting is positioned in the Z-axis direction.

According to the die casting machining method, the height of the limiting column is larger than or equal to two times of the thickness of the die castings, the two die castings can be simultaneously machined after being stacked, and machining efficiency is improved.

The embodiment is suitable for reprocessing of section bars, in particular to reprocessing and forming of aluminum die castings after die casting.

Example one

Referring to fig. 1-6, a die casting 1 positioning device comprises a limiting table 2; two ends of the top of the limiting table 2 in the X-axis direction are respectively provided with a limiting column 21 matched with the through hole 11 of the die casting 1, and two sides of the limiting table 2 in the X-axis direction are respectively provided with a groove 23 matched with the die casting 1; the limiting table 2 is provided with a yielding groove for yielding for the machining mechanism, and the bottom of the yielding groove is provided with a positioning hole 22 for positioning the machining mechanism. Specifically, a plurality of positioning holes 22 are formed at both ends of the limiting table 2 in the X-axis direction, wherein the plurality of positioning holes 22 include threaded holes 222 for machining the circular holes 221 and M6 of D18.8.

Referring to fig. 1, four limiting columns 21 are provided, and the four limiting columns 21 are symmetrically arranged.

Referring to fig. 1, the groove 23 is V-shaped in a plan view.

Optionally, the limiting columns 21 at two ends of the limiting table 2 in the X-axis direction are diagonally arranged.

Referring to fig. 1-3, further comprising a clamping mechanism 3; the movable end of the clamping mechanism 3 is positioned above the limiting table 2; when the die casting 1 is placed on the limiting table 2, the movable end of the clamping mechanism 3 can be pressed against the die casting 1.

Referring to fig. 1 to 3, the chucking mechanism 3 includes a lifting cylinder 31 and a pressing plate 32; the fixed end of lift cylinder 31 is located spacing platform 2 below, and the expansion end of lift cylinder 31 passes spacing platform 2 and sets up to can dismantle with clamp plate 32 and be connected, make die casting 1 can be by the centre gripping between clamp plate 32 and spacing platform 2 under the drive of lift cylinder 31.

Referring to fig. 1 and 6, the pressing plate 32 is provided with an oblong hole 221 through which the lifting cylinder 31 can pass; a piston rod 311 of the lifting cylinder 31 is sleeved with a limiting piece 33; the diameter of one end of the long circular hole 221 in the X-axis direction is smaller than or equal to the diameter of the piston rod 311, so that when the piston rod 311 abuts against one end, at least part of the limiting member 33 can abut against the pressing plate 32; the diameter of the other end of the oblong hole 221X in the axial direction is larger than the diameter of the stopper 33, so that when the piston rod 311 abuts against the other end, the pressing plate 32 can be separated from the stopper 33. In other equivalent embodiments, the diameter of the oblong hole 221 may be equal to that of the two ends, and in order to achieve the detachable connection between the pressure plate 32 and the lifting cylinder 31, the limiting member 33 may be connected to the piston rod 311 in a threaded manner.

Optionally, the height of the limiting column 21 is greater than or equal to twice the thickness of the die casting 1. In the present embodiment, the height of the stopper post 21 is equal to the thickness of the die cast 1, and in order to achieve simultaneous machining of two workpieces, the height of the stopper post 21 may be set equal to twice the thickness of the die cast 1.

The specific working process of this embodiment is as follows:

blowing away dirt on the surfaces of the limiting table 2 and the die casting 1, enabling the die casting 1 to face upwards and be placed on the limiting table 2, and enabling the limiting bulge of the limiting table 2 to be embedded into the through hole 11 of the die casting 1;

placing the pressure plate 32 on the die casting 1, pushing the pressure plate 32 along the X-axis direction to enable the end with the smaller diameter of the pressure plate 32 to abut against the piston rod 311, starting the lifting cylinder 31, enabling the lifting cylinder 31 to fix the die casting 1 through the pressure plate 32 and then pass through the positioning hole 22 to process the die casting 1;

blowing away residues on the front surface of the die casting 1, taking down the pressing plate 32, placing the die casting 1 on the limiting table 2 with the back surface facing upwards, embedding the limiting bulges of the limiting table 2 into the through holes 11 of the die casting 1, and processing a blind hole 12 at each of four corners on the die casting 1. Wherein, the size of the dark hole 12 is 6mm in diameter and 2mm in depth.

In summary, according to the die casting positioning device provided by the utility model, the die casting is limited in the X-axis direction and the Y-axis direction through the limiting columns and the grooves, and the die casting is limited in the Z-axis direction through the lifting cylinder and the pressing plate, so that the positioning efficiency and the fixing efficiency are improved, and the stability of the die casting in the machining process can be improved.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.

Claims

1. A die casting positioning device is characterized by comprising a limiting table;

2. The die casting positioning device according to claim 1, wherein four limiting columns are provided, and four limiting columns are symmetrically arranged.

3. The die casting positioning device of claim 1, wherein the groove is V-shaped in plan view.

4. The die casting positioning device according to claim 1, wherein the stopper posts located at both ends of the stopper table in the X-axis direction are diagonally arranged.

5. The die casting positioning apparatus of claim 1, further comprising a clamping mechanism;

6. The die casting positioning apparatus of claim 5, wherein the clamping mechanism comprises a clamping cylinder and a pressure plate;

7. The die casting positioning device of claim 1, wherein the height of the restraining post is greater than or equal to twice the thickness of the die casting.